SW upgrade pro Catalyst 3750 (3750-48TS, 3750-24TS) verze SMI (Layer 2/3 omezeně/4) na verzi EMI (Layer 2/3/4) - IP routing (dynamic IP unicast routing, smart multicast routing, OSPF, IGRP, EIGRP a BGP), Protocol-Independent Multicast (PIM) pro IP multicast routing včetně PIM sparse mode (PIM-SM) a PIM dense mode (PIM-DM) a PIM sparse-dense mode, DVMRP.